spam handling rules with +detail email addresses?

[Julian Field]

At 16:52 18/02/2004, you wrote:
>Julian Field wrote:
>>At 01:04 18/02/2004, you wrote:
>>
>>>How does MailScanner/SA handle incoming email addressed to
>>>user+detail at domain.com in rules?
>>>
>>>Sendmail will strip everything after/including the + sign, and deliver
>>>to the 'user', but rules in MailScanner for both user+detail at domain.com
>>>AND user at domain.com seem to be bypassed when using this syntax in an
>>>email.
>>>
>>>I've only tested with rules/spam.actions.rules like this:
>>>
>>>To:     user+detail at domain.com    store notify
>>>To:     user at domain.com store notify
>>>
>>>Both are bypassed and mail gets the default action applied to it if it's
>>>addressed to user+detail at domain.com
>>
>>
>>But what is the envelope recipient address in this case? user or
>>user+detail?
>
>user+detail at domain.com is the envelope recipient reported in the
>sendmail log. The entry below doesn't seem to work. The message gets the
>default rule applied instead of the 'store notify' rule.
>To:     user+detail at domain.com    store notify
>
>I tried both the suggestions below, and they do properly apply the
>action "store notify", but for some reason, sendmail then tries to
>deliver the message back to 127.0.0.1 instead of the mail hub!
>This creates a problem with the same message being scanned, then
>redelivered to the incoming sendmail and looping. Other 'store notify'
>rules that are defined for normal email addresses work fine.
>
>We forward mail from the MailScanner box to the mailhub using the
>virtusertable feature. No other rule or config issue has broken this
>before, so I'm not sure what's happening. I'll turn up logging in
>sendmail and see if it will tell me what it's doing with this mail.

MailScanner doesn't get involved with message delivery at all, so I fail to
see how it could have caused this delivery problem.
--
Julian Field
www.MailScanner.info
Professional Support Services at www.MailScanner.biz
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